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| Author: | Chand, S. Zeng, T. |
| Title: | A Comparison of U-Line and Straight-Line Performances Under Stochastic Task Times |
| Journal: | Manufacturing & service operations management
2001 : SPRING VOL. 3:2, p. 138-150 |
| Index terms: | PRODUCTION MANUFACTURING INDUSTRY PRODUCTIVITY |
| Language: | eng |
| Abstract: | Traditionally, assembly lines are laid out in a straight- line configuration where a worker covers only adjacent stations. In a U-line layout, on the other hand, two or more non-adjacent stations can be physically close to each other, making it possible for a worker to cover nonadjacent stations. This paper examines the impact of stochastic task times on the relative performance of U- line and straight-line layouts. Several analytical and simulation results are presented, and insights are provided to explain the difference in the performance of U-line and straight-line layouts. Although balanced U-line layouts are at least as productive as balanced straight-line layouts given deterministic task times, they can be less productive given stochastic task times if they are balanced deterministically using mean times. |
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